Thanks Richard, I only have to repair the air because I knowing the subject a little bit this guy did a trick on making a short in the pressure switch and burning the fuse 38, I tried to lower the electrical scheme to get to the fault and I can't find it in the network the thermostat I am sure it is not, of course I remove the car but if I take it to the clerk this will be very expensive, thanks again I will try to get the circuit.